Maxim nexpaq / nexpaq_dev

Preliminary main mbed library for nexpaq development

hal/common/mbed_pinmap_common.c@1:d96dbedaebdb, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:54:50 2016 +0000
Revision:
1:d96dbedaebdb
Parent:
0:6c56fb4bc5f0 
Removed extra directories for other platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 /* mbed Microcontroller Library
nexpaq 0:6c56fb4bc5f0 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 0:6c56fb4bc5f0 3 *
nexpaq 0:6c56fb4bc5f0 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 0:6c56fb4bc5f0 5 * you may not use this file except in compliance with the License.
nexpaq 0:6c56fb4bc5f0 6 * You may obtain a copy of the License at
nexpaq 0:6c56fb4bc5f0 7 *
nexpaq 0:6c56fb4bc5f0 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 0:6c56fb4bc5f0 9 *
nexpaq 0:6c56fb4bc5f0 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 0:6c56fb4bc5f0 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 0:6c56fb4bc5f0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 0:6c56fb4bc5f0 13 * See the License for the specific language governing permissions and
nexpaq 0:6c56fb4bc5f0 14 * limitations under the License.
nexpaq 0:6c56fb4bc5f0 15 */
nexpaq 0:6c56fb4bc5f0 16 #include "pinmap.h"
nexpaq 0:6c56fb4bc5f0 17 #include "mbed_error.h"
nexpaq 0:6c56fb4bc5f0 18
nexpaq 0:6c56fb4bc5f0 19 void pinmap_pinout(PinName pin, const PinMap *map) {
nexpaq 0:6c56fb4bc5f0 20 if (pin == NC)
nexpaq 0:6c56fb4bc5f0 21 return;
nexpaq 0:6c56fb4bc5f0 22
nexpaq 0:6c56fb4bc5f0 23 while (map->pin != NC) {
nexpaq 0:6c56fb4bc5f0 24 if (map->pin == pin) {
nexpaq 0:6c56fb4bc5f0 25 pin_function(pin, map->function);
nexpaq 0:6c56fb4bc5f0 26
nexpaq 0:6c56fb4bc5f0 27 pin_mode(pin, PullNone);
nexpaq 0:6c56fb4bc5f0 28 return;
nexpaq 0:6c56fb4bc5f0 29 }
nexpaq 0:6c56fb4bc5f0 30 map++;
nexpaq 0:6c56fb4bc5f0 31 }
nexpaq 0:6c56fb4bc5f0 32 error("could not pinout");
nexpaq 0:6c56fb4bc5f0 33 }
nexpaq 0:6c56fb4bc5f0 34
nexpaq 0:6c56fb4bc5f0 35 uint32_t pinmap_merge(uint32_t a, uint32_t b) {
nexpaq 0:6c56fb4bc5f0 36 // both are the same (inc both NC)
nexpaq 0:6c56fb4bc5f0 37 if (a == b)
nexpaq 0:6c56fb4bc5f0 38 return a;
nexpaq 0:6c56fb4bc5f0 39
nexpaq 0:6c56fb4bc5f0 40 // one (or both) is not connected
nexpaq 0:6c56fb4bc5f0 41 if (a == (uint32_t)NC)
nexpaq 0:6c56fb4bc5f0 42 return b;
nexpaq 0:6c56fb4bc5f0 43 if (b == (uint32_t)NC)
nexpaq 0:6c56fb4bc5f0 44 return a;
nexpaq 0:6c56fb4bc5f0 45
nexpaq 0:6c56fb4bc5f0 46 // mis-match error case
nexpaq 0:6c56fb4bc5f0 47 error("pinmap mis-match");
nexpaq 0:6c56fb4bc5f0 48 return (uint32_t)NC;
nexpaq 0:6c56fb4bc5f0 49 }
nexpaq 0:6c56fb4bc5f0 50
nexpaq 0:6c56fb4bc5f0 51 uint32_t pinmap_find_peripheral(PinName pin, const PinMap* map) {
nexpaq 0:6c56fb4bc5f0 52 while (map->pin != NC) {
nexpaq 0:6c56fb4bc5f0 53 if (map->pin == pin)
nexpaq 0:6c56fb4bc5f0 54 return map->peripheral;
nexpaq 0:6c56fb4bc5f0 55 map++;
nexpaq 0:6c56fb4bc5f0 56 }
nexpaq 0:6c56fb4bc5f0 57 return (uint32_t)NC;
nexpaq 0:6c56fb4bc5f0 58 }
nexpaq 0:6c56fb4bc5f0 59
nexpaq 0:6c56fb4bc5f0 60 uint32_t pinmap_peripheral(PinName pin, const PinMap* map) {
nexpaq 0:6c56fb4bc5f0 61 uint32_t peripheral = (uint32_t)NC;
nexpaq 0:6c56fb4bc5f0 62
nexpaq 0:6c56fb4bc5f0 63 if (pin == (PinName)NC)
nexpaq 0:6c56fb4bc5f0 64 return (uint32_t)NC;
nexpaq 0:6c56fb4bc5f0 65 peripheral = pinmap_find_peripheral(pin, map);
nexpaq 0:6c56fb4bc5f0 66 if ((uint32_t)NC == peripheral) // no mapping available
nexpaq 0:6c56fb4bc5f0 67 error("pinmap not found for peripheral");
nexpaq 0:6c56fb4bc5f0 68 return peripheral;
nexpaq 0:6c56fb4bc5f0 69 }
nexpaq 0:6c56fb4bc5f0 70
nexpaq 0:6c56fb4bc5f0 71 uint32_t pinmap_find_function(PinName pin, const PinMap* map) {
nexpaq 0:6c56fb4bc5f0 72 while (map->pin != NC) {
nexpaq 0:6c56fb4bc5f0 73 if (map->pin == pin)
nexpaq 0:6c56fb4bc5f0 74 return map->function;
nexpaq 0:6c56fb4bc5f0 75 map++;
nexpaq 0:6c56fb4bc5f0 76 }
nexpaq 0:6c56fb4bc5f0 77 return (uint32_t)NC;
nexpaq 0:6c56fb4bc5f0 78 }
nexpaq 0:6c56fb4bc5f0 79
nexpaq 0:6c56fb4bc5f0 80 uint32_t pinmap_function(PinName pin, const PinMap* map) {
nexpaq 0:6c56fb4bc5f0 81 uint32_t function = (uint32_t)NC;
nexpaq 0:6c56fb4bc5f0 82
nexpaq 0:6c56fb4bc5f0 83 if (pin == (PinName)NC)
nexpaq 0:6c56fb4bc5f0 84 return (uint32_t)NC;
nexpaq 0:6c56fb4bc5f0 85 function = pinmap_find_function(pin, map);
nexpaq 0:6c56fb4bc5f0 86 if ((uint32_t)NC == function) // no mapping available
nexpaq 0:6c56fb4bc5f0 87 error("pinmap not found for function");
nexpaq 0:6c56fb4bc5f0 88 return function;
nexpaq 0:6c56fb4bc5f0 89 }